<%--
功能: 显示价格，默认格式是  ￥###,###.00
--%>
<%@ tag body-content="empty"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt" %>
<%@ attribute name="value" required="true"%>
<fmt:formatNumber type="currency" value="${value}" currencySymbol="${appConfig.defaultCurrencySymbol}"/>